Abstract
Abstract. The calculations of heating and cooling modes for a thermomassive slab, made of ShKh15 steel in the form of a briquette, are presented, using predictive expressions as obtained following the method of equivalent sources. Three cases of implementation of a “through” (continuous) “heating–melting” operation practices are covered, with concurrent variation of thermal and physical properties (TPP) of the thermally treated steel, namely, – those of the thermal conductivity coefficient and heat capacity per unit volume. To analyze briquette melt-down time errors, thermophysical properties have been specified at the initial temperature, final temperature (melting), and at the briquette average temperature in the course of heating and melting. The results indicate the need for taking into account changes in thermophysical properties of briquettes due to temperature. In computational relations, the external heat exchange, αk , has been varied. A graph of the dynamics of briquette melting vs melting intensity (αk ) and the briquette actual size has been plotted.
Highlights
Что параметры нелинейности I рода ελ и εс одинаковы для брикетов без шлама и со шламом
To analyze briquette melt-down time errors, thermophysical properties have been specified at the initial temperature, final temperature, and at the briquette average temperature in the course of heating and melting
The results indicate the need for taking into account changes in thermophysical properties of briquettes due to temperature
Summary
Используя данные работы [16], а также фактические производственные данные изготовленного брикета, для расчета продолжительности процесса «прогрев – нагрев – плавление» брикетов (без шлама и со шламом) из стали ШХ15 приняли размер брикета H = 2h = 64; 80; 96 мм. Практический интерес при моделировании теплофизического процесса «нагрев–плавление» представляет, на взгляд авторов, изучение влияния переменности теплофизических характеристик (ТФХ) от температуры на продолжительность плавления. Что параметры нелинейности I рода ελ и εс одинаковы для брикетов без шлама и со шламом (ελ = – 0,51, εс = 0,274).
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Izvestiya Visshikh Uchebnykh Zavedenii. Chernaya Metallurgiya = Izvestiya. Ferrous Metallurgy
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
